- Latitude: 33.038
- Longitude: -116.916
High Temperatures
On September 12 in this location the average high temperature is 81.8 °F (27.7 °C). The lowest recored high temperature was 64.9 °F (18.3 °C) in 1975 and the highest recored high temperature was 102.2 °F (39.0 °C) in 2000. The high temperature is usually* between 77.0 °F (25.0 °C) and 86.7 °F (30.4 °C). About a quarter of the time, the high temperature is less than 77.0 °F (25.0 °C), and another quarter of the time, the high temperature is greater than and 86.7 °F (30.4 °C). About 95% of the time, the high temperature has been between 67.7 °F (19.9 °C) and 95.9 °F (35.5 °C).
Low Temperatures
On September 12 in this location the average low temperature is 62.5 °F (17.0 °C). The lowest recored low temperature was 44.1 °F (6.7 °C) in 2011 and the lowest recored low temperature was 75.9 °F (24.4 °C) in 2015. The low temperature is usually* between 59.6 °F (15.3 °C) and 65.4 °F (18.6 °C). About a quarter of the time, the low temperature is less than 59.6 °F (15.3 °C), and another quarter of the time, the low temperature is greater than and 65.4 °F (18.6 °C). About 95% of the time, the low temperature has been between 54.1 °F (12.3 °C) and 71.0 °F (21.7 °C).
Frost
On September 12 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722931 — Weather Bureau Army Navy (WBAN): 93107 — from year 2005 to 2024
- MONTGOMERY FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722903 — Weather Bureau Army Navy (WBAN): 03131 — from year 2006 to 2024
- GILLESPIE FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722907 — Weather Bureau Army Navy (WBAN): 53143 — from year 2006 to 2024
- RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 — from year 2006 to 2024
- GILLESPIE FLD — Integrated Surface Dataset (ISD) station ID: 722907 — from year 1973 to 2005
- MONTGOMERY FLD — Integrated Surface Dataset (ISD) station ID: 722903 — from year 1990 to 2005
- RAMONA — Integrated Surface Dataset (ISD) station ID: 745056 — from year 1999 to 2005
- MIRAMAR MCAS — Integrated Surface Dataset (ISD) station ID: 722931 — from year 2004 to 2004
- SAN DIEGO/MIRAMAR N — Integrated Surface Dataset (ISD) station ID: 722930 — Weather Bureau Army Navy (WBAN): 93107 — from year 1989 to 2003
- SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 — from year 1973 to 1989
- SAN DIEGO MIRAMAR NAS — Weather Bureau Army Navy (WBAN): 93107 — from year 1947 to 1988
- SOLANA BEACH — Integrated Surface Dataset (ISD) station ID: 722919 — from year 1987 to 1987